Vocab

3. A colorless, odorless flammable gas which is the main constituent of natural gas
5. A division of microorganisms that are related to the bacteria but are capable of photosynthesis
7. To small to see through the naked eye
8. A seafloor mountain system formed by plate tectonics
9. German climatologist, geologist, geophysicist, meteorologist, and polar researcher
12. The gradual movement of the continents across the earth's surface through geological time
13. The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
14. The weather conditions prevailing in an area in general or over a long period

1. The sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate
2. Cells that have specific structures and functions in the body
4. A supercontinent that existed during the late Paleozoic and early Mesozoic eras
6. Layered, biochemical, accretionary structures formed in shallow water
10. The floor of an ocean or sea.
11. An individual animal, plant, or single-celled life form